Hiromi Watanabe

Dai Nippon Printing Co.: 5 patents #462 of 2,222Top 25%

OK Oppama Kogyo Kabushiki Kaisha: 4 patents #1 of 11Top 10%

HI Hitachi: 4 patents #8,942 of 28,497Top 35%

RT Renesas Technology: 3 patents #990 of 3,337Top 30%

OC Oppama Industry Co.: 3 patents #8 of 26Top 35%

NC Nippon Koei Co.: 1 patents #13 of 26Top 50%

TG Tokyo Metropolitan Government: 1 patents #13 of 50Top 30%

TS Tokyo Metropolitan Sewerage Service: 1 patents #13 of 34Top 40%

YA Yazaki: 1 patents #2,077 of 3,427Top 65%

IC Isowa Industry Co.: 1 patents #10 of 23Top 45%

JT Japan Agency For Marine-Earth Science And Technology: 1 patents #55 of 194Top 30%

KI Kabushiki Kaisha Isowa: 1 patents #27 of 54Top 50%

KI Kioritz: 1 patents #109 of 197Top 60%

Overall (All Time): #145,754 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4342304	Contactless igniton circuit for internal combustion engines	—	1982-08-03
4305371	Contactless ignition circuit for internal combustion engines	Ryuzo Harada	1981-12-15